CSP−HMI−2
MD Helicopters, Inc
.
MAINTENANCE MANUAL
67−20−30
Page 603
Revision 39
(2). Inspect for visible step in splined area.
(3). If step is evident:
(a). Measure across splines using 0.096
in. (2.4384 mm) diameter pins.
(b). Minimum measurement across pins
is 0.640 in. (16.256 mm).
Table 601. Isolating Control System Troubles
Symptom
Isolating Step
Corrective Action
Binding, locking
−
up and erratic
action of foot pedals (Do not force
controls).
Disconnect fwd control tube from
Sta. 113.00 splitter assembly.
If symptom is gone, check from
splitter assembly aft.
HEX CONFIGURATION
ROUND CONFIGURATION
CENTER CABLE (−5) (INSIDE TAIL BOOM)
0.250 INCH (6.35 MM)
HEX (REF)
CLOSED
POSITION
OPEN
POSITION
FORWARD CABLE FEMALE END
ACCEPTABLE DIMENSIONS
SLOT DIMENSION
MALE CONNECTOR
UNACCEPTABLE DIMENSIONS
0.450 (11.43)
HEX CONFIGURATION
0.685 (17.40)
ROUND CONFIGURATION
0.450 (11.43)
ROUND CONFIGURATION
0.685 (17.40)
HEX CONFIGURATION
(REF TABLE)
G67−2020B
IN (MM)
DIMENSION ACROSS HEX
(ROTATED)
NOTE:
WHEN DIMENSION REACHES 0.260 IN. (6.604 MM) ACROSS ANY
TWO OPPOSING POINTS OF HEX, CABLE HAS REACHED IT’S MAXIMUM
WEAR AND MUST BE REPLACED WITH A SERVICEABLE CABLE.
0.250 IN.
(6.35 MM)
0.260 IN. (6.604 MM) MIN.
(NOTE)
Figure 601. Control Cable Coupling Inspection
